MEMCACHED_EXIST_BY_KEY(3) libmemcached-awesome MEMCACHED_EXIST_BY_KEY(3)

memcached_exist_by_key - libmemcached Documentation

#include <libmemcached/memcached.h>
Compile and link with -lmemcached


  • ptr -- pointer to an initialized memcached_st struct
  • group_key -- the key namespace
  • group_key_length -- length of the group_key without any terminating zero
  • key -- the key to check
  • key_length -- length of the key without any terminating zero

memcached_return_t indicating success


New in version 0.53.

memcached_exist() can be used to check if a key exists.

The key exists.
The key was not found.

memcached(1) libmemcached(3) memcached_strerror(3)

March 31, 2024 1.1